Linda’s Essentials Silicone Stove Gap Covers (2 Pack), Heat Resistant Oven Gap Filler Seals Gaps Between Stovetop and Counter, Easy to Clean Stove Gap Guard (21 Inches, Black)

What are you going to do if you need to pull the stove out? They do make these: https://www.amazon.com/Lindas-Essentials-Silicone-Stove-Gap-Covers-Stove-Guard/dp/B01MT0UL8N

https://a.co/d/05dB6F6g